zvd 4 pcs sealant nozzle scraper sealing angle silicone gasket clean tool

specifications material no sticky special materials function seal and seal instructions for use 1, gently press the silicone cartridge gun. 2, slide the nozzle more after the back. 3, can be used alone as a trowel. 4, nozzle plus is made from a special material. silicone waste can be perfectly remov